package java9;

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;

public class BackZero {
public static void main(String[] args) throws Exception {
	BufferedWriter bw=new BufferedWriter(new FileWriter("studentcount.txt"));
	bw.write("countnan=" + 0);  
    bw.newLine();  
    bw.write("countnv=" + 0);  
    bw.close();
    BufferedWriter bwcount=new BufferedWriter(new FileWriter("studentcount03.txt"));
	bwcount.write("count="+ 0);
	bwcount.close();
}
}
